2. Rotation abdomen. To carry out these abs sit on the floor with your knees bent and feet slightly elevated. Lean slightly back without bending. Slowly turn to your left side, back to center and switch sides.

3. Reverse Crunch and Double. Lie on the floor with arms at his side. Bring your knees to your chest with your legs bent. Do the abdominal bringing your head to your knees, remember that the force must be in your abdomen.